/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.security.ejb.project.support;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.NoSuchElementException;
import javax.naming.Binding;
import javax.naming.Name;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.DirContext;
import javax.naming.spi.DirectoryManager;
/** An implementation of NamingEnumeration for listing the Bindings
in a context. It accepts an Iterator of DirBindings and transforms
the raw object and attributes into the output object using the
DirectoryManager.getObjectInstance method.
@see DirBinding
@see DirectoryManager.getObjectInstance(Object,Name,Context,Hashtable,Attributes)
@author Scott_Stark@displayscape.com
@version $Id: NameBindingIterator.java 81036 2008-11-14 13:36:39Z dimitris@jboss.org $
*/
public class NameBindingIterator implements NamingEnumeration
{
private Iterator bindings;
private DirContext context;
/** Creates new NameBindingIterator for enumerating a list of Bindings.
*@param names, an Iterator of DirBindings for the raw context bindings.
* This is the name and raw object data/attributes that should be input into
* DirectoryManager.getObjectInstance().
*/
public NameBindingIterator(Iterator bindings, DirContext context)
{
this.bindings = bindings;
this.context = context;
}
public void close() throws NamingException
{
}
public boolean hasMore() throws NamingException
{
return bindings.hasNext();
}
public Object next() throws NamingException
{
DirBinding binding = (DirBinding) bindings.next();
Object rawObject = binding.getObject();
Name name = new DefaultName(binding.getName());
Hashtable env = context.getEnvironment();
try
{
Object instanceObject = DirectoryManager.getObjectInstance(rawObject,
name, context, env, binding.getAttributes());
binding.setObject(instanceObject);
}
catch(Exception e)
{
NamingException ne = new NamingException("getObjectInstance failed");
ne.setRootCause(e);
throw ne;
}
return binding;
}
public boolean hasMoreElements()
{
boolean hasMore = false;
try
{
hasMore = hasMore();
}
catch(NamingException e)
{
}
return hasMore;
}
public Object nextElement()
{
Object next = null;
try
{
next = next();
}
catch(NamingException e)
{
throw new NoSuchElementException(e.toString());
}
return next;
}
}